$A$-Antennae have sensory receptors.
$R$-Sensory receptors help in monitoring the environment.

In cockroach,ootheca covers...

Complete metamorphosis is present in:

Which of the following statement$(s)$ is/are correct regarding cockroaches?
$(i)$ The body of the cockroach is segmented and divisible into three distinct regions - head,thorax and abdomen.
$(ii)$ Blood vascular system is of closed type.
$(iii)$ They are monoecious and both sexes have well developed reproductive organs.
$(iv)$ The development of $P. americana$ is paurometabolous,meaning there is development through nymphal stage.

Which of the following is the correct classification of the cockroach?

Cockroach is: